What is the Interest Rate on your current credit card? The Interest Rate (APR) on your current credit card, is the interest rate on the credit card you are currently using. The Interest Rate or Annual Percentage Rate is the cost of credit on a yearly basis expressed as a percentage. If your credit card offers online account access you may be able to view this information online or you can always call the number on the back of the credit card to speak to a customer service representative to find out this information. >> Back to the Custom Balance Transfer Savings Calculator >> Back to the Main Index